Answer:
Step-by-step explanation:
{x,y,z}={−5,−6,1}
Answer:
3,200
Step-by-step explanation:
Answer: 7
3
=
7
2
Step-by-step explanation: Mark me brain and 5 stars and a thank you
Answer:
r = 30°
Step-by-step explanation:
According to the Exterior Angle Sum Theorem, the exterior angle, which is 90°, is equal to the 2 interior angles, which are 60° and <em>r°</em>. We know that the angle next to the exterior angle is 90°, and since all angle sums add up to 180°, <em>r</em> = 30°.